Diablo Hook & Lock 5-In. 120-Grit ROS Sanding Discs, 4-Pack is for light stock removal and final sanding preparation before painting. Crafted from a premium ceramic blend, these sanding discs deliver fast material removal while ensuring a long sanding life. Designed with a 12-hole universal hole pattern, they easily fit all 5 and 8 hole sanders for quick and precise alignment. The hook and lock backing allows for effortless attachment and removal, providing a consistently secure connection. Featuring Clog-SHIELD™ technology, these discs resist pitch build-up and clogging, while ENDURA-BOND™ ensures a durable grit-to-backing bond. I for use with orbital and dual action sanders, they work effectively on wood, metal, and plastics. Model Number: DCD050120H04G